H01M 8/04201 — IPC vs CPC Diff | Patent Classification Explorer

DIFF Subgroup

H01M 8/04201

Full Title

Fuel cells; Manufacture thereof > Auxiliary arrangements, e.g. for control of pressure or for circulation of fluids > Arrangements for control of reactant parameters, e.g. pressure or concentration

Of 2 combined children, 0 exist in both systems.

2 codes are CPC-only extensions.

This code exists only in CPC.

Diff view requires codes present in both systems.

View in CPC →